Malicious PDF — malware analysis report

Static analysis result for SHA-256 3251cfcda509a7b1…

MALICIOUS

PDF

38.1 KB Created: 2020-08-22 05:08:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 94a3c6e1e06d5d9b40da9a59472345e0 SHA-1: 85ff0bb5389382245a4c939e92cd07824d3bfec2 SHA-256: 3251cfcda509a7b189108867c12b851afdbadce6a2e2788130c44c891b16142f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link disguised as a Bayer AG annual report. The link leads to a URL that is known to be associated with malicious redirector infrastructure. The document also contains a large number of links to other PDFs hosted on Shopify, likely for SEO manipulation to improve search engine ranking for malicious content. The presence of a download button lure further supports a malicious intent.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=bayer+ag+annual+report+2019 In PDF document text
    • http://files.sexualwellnessinstitute.com/uploads/1/3/1/3/131383821/loxebotebare.pdfIn PDF document text
    • http://files.wetheadvisory.com/uploads/1/3/0/7/130776661/ec7aba15ad647e.pdfIn PDF document text
    • http://files.inflyteentertainment.com/uploads/1/3/0/9/130969984/memaxuwonomebitase.pdfIn PDF document text
    • http://pefagubaz.raebirdcreations.com/uploads/1/3/1/4/131453858/fupewidiv.pdfIn PDF document text
    • http://files.bethecareerchange.com/uploads/1/3/1/3/131380181/ketakoluraxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7181/3285/files/carnatic_songs_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3584/1944/files/38895904166.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9505/5777/files/free_online_photo_collage_maker_no.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0466/4095/5557/files/37504463071.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3517/8661/files/kalasafafow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2812/7637/files/john_deere_tractor_repair_manuals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3426/4231/files/how_to_convert_word_document_to_on_mac.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5650/5756/files/aspirantszone_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1773/1229/files/hallelujah_chorus_easy_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7938/5756/files/14457563615.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3501/6863/files/63209787775.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000577c.bin
9abe0674fe06e3e76a8df4212bec3e7e2663bc05328f3e3963db6747e75005a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x577C 5444 bytes
font_01_sfnt_off00006a1b.bin
838784898c5e39cecd29649a87d72d186884d98648bfee63c282bba4126abbe5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A1B 9844 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.